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Dart 127322 - Dart SHP Special High Performance Cylinder Heads

  • Cylinder Head, SHP, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, 327, 350, 400, Each
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandDart
Manufacturer's Part Number127322
Part TypeCylinder Heads
Product LineDart SHP Special High Performance Cylinder Heads
Summit Racing Part NumberDRT-127322
 
Cylinder Head StyleAssembled
Cylinder Head MaterialAluminum
Cylinder Head FinishNatural
Combustion Chamber Volume (cc)64
CNC-Machined Combustion ChamberNo
Intake Runner Volume (cc)200cc
Exhaust Runner Volume (cc)75cc
CNC-Machined Intake RunnerNo
CNC-Machined Exhaust RunnerNo
Combustion Chamber StyleHeart
Intake Port LocationStandard
Exhaust Port ShapeSquare
Exhaust Port LocationStandard
Spark Plug StyleStraight
Intake Valves IncludedYes
Intake Valve Diameter (in)2.020 in.
Exhaust Valves IncludedYes
Exhaust Valve Diameter (in)1.600 in.
Valve Springs IncludedYes
Maximum Valve Lift (in)0.620 in.
Outside Diameter of Outer Spring (in)1.437 in.
Damper Spring IncludedNo
Number of Springs Per ValveDual
Retainers IncludedYes
Retainer MaterialSteel
Locks IncludedYes
Lock Style10 degree
Valve Stem Seals IncludedYes
Valve Stem Seal StyleUmbrella
Rocker Arm Studs IncludedYes
Rocker Arm Nut Thread Size3/8-24 in.
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Guideplates IncludedYes
Guideplate Pushrod Size5/16 in.
Valve Cover Mounting StyleCenter and perimeter bolt
Accessory Bolt Holes DrilledYes
Intake Valve Angle23
Exhaust Valve Angle23
Valve Guides IncludedYes
Valve Guide MaterialManganese bronze
Valve Seats MachinedYes
Valve Seat Machine Style5-angle intake/2-angle exhaust
Valve Seat MaterialPowdered metal
Steam Holes DrilledNo
Oiling StyleThrough pushrod
Machined for O-RingNo
Heat CrossoverNo
QuantitySold individually.
CalculatorCompression Calculator
 

These Dart SHP Special High Performance cylinder heads are designed to provide an affordable option to those looking for the weight savings of aluminum heads for a performance street engine. They are manufactured from A356-T6 aluminum and are designed to work with most off-the-shelf components. These SHP cylinder heads are available with your choice of 64cc or 72cc combustion chambers and come in both 180cc and 200cc intake runner ports that are precision-cast and designed to offer excellent flow and power without the need for CNC-machined porting. They feature optimized chambers for increased combustion efficiency and multi-angle intake seats. The cylinder heads' radiused exhaust seats dramatically increase their performance and the manganese bronze valve guides increase their life.

Warranty

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